IROGRAN® A 92 E 4738

Polyester-based Thermoplastic Polyurethane

Product Description:
IROGRAN® A 92 E 4738 is a polyester-based Thermoplastic Polyurethane (TPU) for extrusion and injection molding applications. Key features are hydrolytically stabilized, excellent wear performance, good low temperature performance, resistance to dynamic stress, high elasticity, robust processing and high melt stability.
MAIN APPLICATIONS:
Thick wall technical parts, thin wall extrusion profiles and thick wall extrusion profiles.

Details

At Jan.2016: US / EAIME / APAC MTO / MTS / MTS
Properties Key NORM Value Unit
Hardness (after 3 sec.) M ISO 7619 92 Shore A
Hardness (after 3 sec.) M ISO 7619 41 Shore D
Density M ISO 1183-1 1,22 g/cm³
Tensile strength M DIN 53504 55 MPa
Elongation @ break M DIN 53504 580 %
Tensile stress @ 100% elongation M DIN 53504 8,0 MPa
Tensile stress @ 300% elongation M DIN 53504 24 MPa
Tear strength M ISO 34-1 110 N/mm
Abrasion M ISO 4649 25 mm³
Bayshore rebound resilience M ASTM D 2632 32 %
Compression set at 70h @ 23°C M ISO 815 18 %
Compression set at 24h @ 70°C M ISO 815 38 %
Mold shrinkage M ISO 294-4 0,8 %
Softening range low E Huntsman TMA 175 °C
Softening range high E Huntsman TMA 185 °C
  • M = Injection molded parts to meet DIN & ASTM requirements. Parts tempered for 20 hrs @ 100 °C prior to testing

  • E = Extruded film cut to ASTM requirements. Parts at room temperature aged prior to testing.

Processing Parameters

Melt Volume Rate [210°C / 10kg] ISO 1133-1  =  40 cm³/10min

Processing Parameter:   Extrusion
Temperature Profile °C
Feed Zone: 25 - 40
Barrel: 190 - 210
Die Head: 200 - 215
Nozzle: 190 - 210
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